"poetic description" is the only real option from the list that is not common in expository writing, although careful descriptions can indeed be used as long as the point remains clear and forceful.
Answer:
Researchers used HeLa to develop “methods for freezing cells” (p. 98), and since they could freeze cells they could look at “identical cells at different points in time” (p. ... 98) and by freezing cells, researchers could see when this happened
Explanation:
D. A theme is the purpose of a text.
I don't know that ma,nnnnnnnnnnnnnnnnnnnnn
Charlotte says she received a 92 on her test. Charlotte
